Acer rubrum

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Acer rubrum L.

Aceraceae

Life form: tree
Usage: economic plant / Usage: ornamental plant

Exposure: sun   4

Moisture: moderately moist bis Moisture: moist

Soil: sandy loam - Soil: gritty loam

Arrangement: opposite
Leaves: decidious

Shape: palmately lobed

Division: simple

                   

Shape: five-stellate
Fruit: schizocarp

45C / b41920 

Inflorescence: cluster

Petals: single
Habit: erect

Canopy: round

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Rosidae
Superordo:
Rutanae
Ordo:
Sapindales

Acer rubrum is a tree.

Naming

Acer rubrum was described by Carl Linnaeus in 1753. The name is considered as validly published.

Taxonomy

Acer rubrum is a species in the genus Acer which contains approximately 230 to 296 species and belongs to the family of the Aceraceae (Maple Family). The type species of the genus is Acer pseudoplatanus.

Characteristics

Acer rubrum - leaves
Acer rubrum - flowers
Acer rubrum - branches

Growth

The trees are comparatively fast-growing and short-lived. They have a rounded canopy and reach heights of 10 to 15 metres. The plants reach a width of 6 to 15 metres.

Wood and Bark

The bark is smooth and grey.

Leaves

Acer rubrum is deciduous. The green, simple leaves are opposite. They are palmately lobed and petiolate with serrate margins and palmate venation. The surface of the leaves is glabrous to hirsute. They turn an attractive yellow, orange, bright orange to red in autumn.

Flowers and Fruits

Acer rubrum produces cluster of erect, crimson five-stellate flowers from March to April. The plants flower on older shoots. They are dioecious, pollination takes places by allogamy through animals.

The trees produce ornamental red schizocarps in spring.

Root System

The plants form deep-reaching roots.

Distribution

Acer rubrum is native to the Northeast of the US.

Cultivation

The trees prefer a sunny situation on fresh to moist soil. They prefer sandy-loamy or gritty-loamy soil with a pH between 4,7 and 7,3. The plants need a soil depth of at least 76 centimetres for good growth. They tolerate temperatures down to -35°C (USDA zone 4).

Classification after Prof. Dr. Sieber

  • open areas

Tolerance of special soil conditions

  • none: calcareous soil
  • high: city climate

Uses

The recommended planting distance is 4,5 to 5,5 metres. Suited for rooftop gardens, as well as suited as cemetery plant, avenue tree, container plant, specimen plant and as greenery along roads.

Maintenance and Propagation

The plants usually need very little maintenance.


Cultivars

Poisonousness

Acer rubrum is slightly toxic.

Aeskulap  Please read the health issues note

Pests and Diseases

Literature

  • Walter Erhardt, Erich Götz, Nils Bödeker, Siegmund Seybold: Der große Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
  • Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.

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